You make an effort to buy environmentally responsible products the other 11 months of the year, so why stop when it comes to your holiday gift giving? (After all, green is already a color of the season.) To help you out, we did some digging to come up with great eco-friendly gift ideas for everyone on your list, from the gadget geek to the chocolate lover to your four-legged best friend. Who knows? Doing something good for the earth this holiday season might even help you get on Santa's "nice" list yourself.